private Message parseMessage(byte[] data) {
Message result = new Message();
try {
ByteArrayInputStream bais = new ByteArrayInputStream(data);
DataInputStream dis = new DataInputStream(new BufferedInputStream(bais));
int cmdCount = dis.readInt();
byte[] cmdBytes = new byte[cmdCount];
dis.read(cmdBytes);
String cmd = new String(cmdBytes);
result.setCommand(cmd);
if (cmd.equalsIgnoreCase("CALC")) {
int valuesCount = dis.readInt();
byte[] valuesBytes = new byte[valuesCount];
dis.read(valuesBytes);
String[] values = new String(valuesBytes).split("\0");
for (String v : values) {
String[] s = v.split("=");
result.addValue(s[0], s[1]);
}
}
} catch (IOException ex) {
ex.printStackTrace();
}
return result;
}
private double calculateArea() {
double area = 0.0;
switch (_message.getShapeType().toLowerCase()) {
case "circle":
double radius = Double.parseDouble(_message.getValue("radius"));
area = radius * radius * Math.PI;
break;
case "rectangle":
double a = Double.parseDouble(_message.getValue("a"));
double b = Double.parseDouble(_message.getValue("b"));
area = a * b;
break;
}
return area;
}
private void processMessage(Message message) {
MessageProcess messageProcess =
MessageProcessFactory.getInstance(this).createMessageProcess(message);
String responseMessage = messageProcess.response();
sendMessage(responseMessage);
System.out.println(message.getCommand());
}
public MessageProcess createMessageProcess(Message message) {
switch (message.getCommand()) {
case "CONN":
return new ConnectMessageProcess();
case "DISC":
return new DisconnectMessageProcess(_service);
case "CALC":
return new CalculateMessageProcess(message);
default:
return new NullMessageProcess();
}
}